... , engrave on marble, granite, tombstone, jade and other stone material, also, glass, plastic, acrylic, metal and other non-metal material Features: Three axis ... systemDSP offline system (Ncstudio system optional)InterfaceRS 232 / USB portSurroundings for softwareWindows98/2000/XPCommandHPGL,G code, u00, mmg, pltPackingWooden case